2021890475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{21817}}^1$

素因数の和:22175

約数の個数: 24

約数和(自身を含む): 2743308048

約数和(自身を除く): 721417573

約数列:

[1, 5, 11, 25, 55, 275, 337, 1685, 3707, 8425, 18535, 21817, 92675, 109085, 239987, 545425, 1199935, 5999675, 7352329, 36761645, 80875619, 183808225, 404378095, 2021890475]

約数ペア:

[(1, 2021890475), (5, 404378095), (11, 183808225), (25, 80875619), (55, 36761645), (275, 7352329), (337, 5999675), (1685, 1199935), (3707, 545425), (8425, 239987), (18535, 109085), (21817, 92675)]